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https://issues.apache.org/jira/browse/OAK-5649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15865539#comment-15865539
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Chetan Mehrotra commented on OAK-5649:
--------------------------------------
Added ignored test in 1782945
> Error in RefreshPolicy can lead to IndexNode lock leak
> ------------------------------------------------------
>
> Key: OAK-5649
> URL: https://issues.apache.org/jira/browse/OAK-5649
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.7.0, 1.8, 1.6.1
>
>
> {{IndexNode}} uses a ReadWriteLock which is "acquired" and "released".
> {code}
> boolean acquire() {
> lock.readLock().lock();
> if (closed) {
> lock.readLock().unlock();
> return false;
> } else {
> refreshPolicy.refreshOnReadIfRequired(refreshCallback);
> return true;
> }
> }
> {code}
> Its possible that any exception thrown in
> {{RefreshPolicy#refreshOnReadIfRequired}} can lead to lock being acquired but
> not released causing the lock to be lost and any further attempt to close
> such IndexNode instance would block indefinitely.
> As a fix the {{acquire}} call should account for any potential exception
> thrown in any call made from within that method call
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